import java.util.Scanner;
public class Leixing {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double d = scanner.nextDouble();

        System.out.println(Main.typeConversion(d));
    }
    public static int typeConversion(double d){
        return (int)d;
        //write your code here......


    }
}